A. The word is countermand [v. koun-ter-mand, -mahnd] (emily)

B. Exams were countermanded after Harry Potter's second year at Hogwarts due to the tremendously terrifying events after the Chamber of Secrets was opened.
Meryam J.

C. Reprimand - (verb) to revoke or cancel
www.dictionary.refrence.com -Kamila

D. moz-screenshot.jpgmoz-screenshot-1.jpgmoz-screenshot-2.jpgmoz-screenshot-3.jpgmoz-screenshot-4.jpgmoz-screenshot-5.jpgmoz-screenshot-6.jpgmoz-screenshot-7.jpgmoz-screenshot-8.jpg
http://www.windyhill.net/aug/reprimand.jpg
(Jess K)

E.
Synonyms:
annul, override, recall, repeal, rescind, retract, retreat, reverse, revoke
Antonyms:
allow, approve, endorse, ok, permit, sanction

www.dictionary.com --Cory M

G. In the thrilling novel, New Moon, the main character, Edward, (whom you should realize is a vampire) is forced to countermand his gurantee to stay with his true love, Bella, (a human) after his brother, (also a vampire) almost attacks her, when she gets a paper cut (which released blood) in his presence. Though Edward is madly in love with Bella and had every intent of spending the rest of his life with her, after this unnerving event he comes ot realize that he and his family are too dangerous for her own good and it's just too risky for them to be together. ---gina m.---